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dhtmlxgrid Grouping

The Grid grouping option enables to set the group header text by :
customGroupFormat=function(text,count) - only two parameter allowed text - the group row text and count - the group member count
it would be nice to have also some more options or more customization/events options (like sum,average..) since this is the only
way to dynamically regroup in grid and manipulate a single resultset on the client side.

also in treegrid the only math I could find on node level is [=sum], nice to have here more options (like average] or more customization options.

Thanks.

Oncoming update will improve grouping by adding ability to use aggregation functions and define complex formats of grouped data.
( release planed on Feb. 26 )